Top-mounted ball valve bin casting

• Main Authors: YU HAIYIN, LIN CHENHUI, PENG YAOTANG, CHEN YASI, CHEN XINLONG, MA WENRONG, XIE ZHENGQUE
• Format: Patent
• Language: Chinese; English
• Published: 13.10.2023
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

The utility model discloses a top-mounted ball valve bin casting which comprises a valve bin, the two ends of the valve bin are communicated and fixed with a through pipe, the top end of the valve bin is fixedly connected with a handle through a flange, an external member is arranged in the valve bin, and the external member comprises an outer pipe, an acceleration section fixed in the outer pipe and installation grooves formed in the outer side walls of the two ends of the outer pipe. A sealing ring is arranged in the mounting groove, and is arranged between the external member and the valve bin; the acceleration section is of a smooth curved surface structure with the two ends protruding towards the middle, the sleeve piece can be placed in the valve bin, the sealing rings are in close contact with the sleeve piece and the valve bin, the waterproofness is improved, when the valve is opened, the acceleration section in the valve reduces the medium passing volume, accelerates flowing of the medium and avoids